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Composing and Using Regular Expressions

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COMPOSING AND USING REGULAR EXPRESSIONS

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Introduction
What is a GUI exactly? A GUI is known as a graphical user interface that provides a way to interact with a computer system by choosing items from menus or manipulating pictures drawn on a display screen instead of typing command lines. (Sobell 2014) Now in this day and age we have many options of what we want our computers to do and with Linux there is also options of how we want them to look and run.
Regular expressions and their purpose The first question that comes to mind is, “What is a regular expression?” Many people who are new to the computing world would have no clue what it is. A regular expression is a set of one or more strings of characters. (Sobell 2014)
Fedora/Red Hat Enterprise Linux GUI desktop managers With options at with desktop managers, this gives a user a chance to get the feel of which one is right for them. One of the many desktop options is Xfce. This option is a good option for people that an old-fashioned desktop environment. It is not loaded down with desktop widgets and makes it a good option for people using older computers without a good graphics card. Another option that a user would have is KDE. This option is more for a user that wants to have a lot of configuration options at their disposal. As Xfce doesn’t have desktop widgets, this option does.
When would these desktop managers be suitable to install? As mention before, it really depends on what the used wants to be able to accomplish and do to decide on which of the many desktop managers to install. Some users might not have the money to buy a graphics card that many computer need these days to run a lot of the programs out there, so Xfce would be suitable to install for this problem. It isn’t overdone with graphical effects needed by graphic cards, it is basically a plain and simple desktop

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